Date: Tue, 22 Apr 2003 23:48:14 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Joe Marcus Clarke <marcus@marcuscom.com> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: Recent bsd.port.mk changes Message-ID: <20030423064814.GA67622@rot13.obsecurity.org> In-Reply-To: <1051065189.68327.9.camel@shumai.marcuscom.com> References: <000501c3074c$e5c2be80$0a2da8c0@sem> <20030421210257.GA58574@rot13.obsecurity.org> <3EA48724.3080602@ciam.ru> <20030422001917.GA60080@rot13.obsecurity.org> <3EA53B4A.4030700@ciam.ru> <20030422193337.GA64963@rot13.obsecurity.org> <3EA5EA0D.8070500@ciam.ru> <20030423013231.GA66663@rot13.obsecurity.org> <1051065189.68327.9.camel@shumai.marcuscom.com>
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On Tue, Apr 22, 2003 at 10:33:09PM -0400, Joe Marcus Clarke wrote:
> On Tue, 2003-04-22 at 21:32, Kris Kennaway wrote:
> > On Wed, Apr 23, 2003 at 05:19:09AM +0400, Sergey Matveychuk wrote:
> > > Kris Kennaway wrote:
> > > >features enabled ("foo-1.2.3" vs "foo-esound-1.2.3" etc.) This is w=
hy
> > > >I suggested that comparing the installation prefix and pkg-plist for
> > > >overlap with ports that have the same origin may be the only way to =
do
> > > >this reliably.
> > >=20
> > > I don't know how to compare pkg-plist files? How to make decision a p=
ort=20
> > > is older version and not variant of current one? It must be some=20
> > > evristic method. Some files can be moved in other place, some files c=
an=20
> > > be new, some files can be moved away in new version.
> > > In port's variant case path can be changed or file name can be change=
d=20
> > > (libsome.so and libsome_r.so).
> >=20
> > You can extract the prefix from the installed package by grepping for
> > @cwd in +CONTENTS.
>=20
> Or you can use pkg_info -p -q ${PKGNAME} which is what the patch I sent
> you uses.
>=20
> > Similarly you can extract the list of installed
> > files by doing grep -v ^@ +CONTENTS. =20
>=20
> pkg_info -f -q ${PKGNAME} should provide this.
OK, cool. I didn't realise these existed.
> > For each package that has our
> > origin (or a previous origin as looked up in the MOVED file), do the
> > following: if the installed prefix =3D=3D $PREFIX and one or more of the
> > installed files matches a file in pkg-plist (checked using
> > e.g. comm(1)), then we are going to conflict and we should not
> > install. I can't immediately think of how to implement the installed
> > plist extraction without using a temporary file, but it should be
> > possible with some thought.
>=20
> I can try to modify the patch I sent you to do this check as well. It
> already does the ${PREFIX} check.
I'm getting confused by multiple patches flying around :-) It looks
like yours has some technical features I had overlooked, although I
wasn't sure about the need for deinstall-all after the later
discussion. Could you and Sergey come up with something that handles
all the problem cases we've talked about?
Kris
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